From 38a9b39682b902189beb84a45773785de3b81998 Mon Sep 17 00:00:00 2001
From: "Jan \"Yenya\" Kasprzak" <kas@fi.muni.cz>
Date: Fri, 20 Jan 2017 12:27:00 +0100
Subject: [PATCH] updated printed versions

---
 ikea-kitchen-bar.scad   | 14 ++++++++------
 towelbar-antislide.scad | 30 ++++++++++++++++--------------
 2 files changed, 24 insertions(+), 20 deletions(-)

diff --git a/ikea-kitchen-bar.scad b/ikea-kitchen-bar.scad
index c41af48..d292598 100644
--- a/ikea-kitchen-bar.scad
+++ b/ikea-kitchen-bar.scad
@@ -4,22 +4,24 @@ infty=200;
 eps=0.01;
 
 bar_w = 3.5 + 0.7;
-bar_h = 29.3 + 0.8;
-bar_to_wall = 24; // incl. the bar itself
+bar_h = 29.3 + 0.5;
+bar_to_wall = 27; // incl. the bar itself
 
 wall = 3.1;
 upper_overhang = 10.0 - wall;
-lower_overhang = 1.5;
+lower_overhang = 2.0;
 
 body_h = 12;
 
+clip_front = 5; // stronger than wall for this object
+
 // coordinates: front end of the bar is the xz plane, centered by the x axis,
 // +x is the upper part, -x is lower, +y is front
 
 module clip() {
 	// front part
 	translate([-bar_h/2-wall, 0, 0])
-		cube([bar_h + 2*wall, wall, body_h]);
+		cube([bar_h + 2*wall, clip_front, body_h]);
 	// upper and lower horizontal bars
 	for (x = [-1, 1]) scale([x, 1, 1])
 		translate([bar_h/2, -bar_w -wall, 0])
@@ -32,7 +34,7 @@ module clip() {
 		difference() {
 			cube([lower_overhang + wall, wall, body_h]);
 			translate([lower_overhang + wall, 2*wall/3, 0])
-				rotate([0, 0, -36])
+				rotate([0, 0, -45])
 					translate([0, -infty/2, -infty/2])
 					cube(infty);
 		}
@@ -79,7 +81,7 @@ knifebar_rear_wall = 5;
 // top
 hull() {
 	translate([-bar_h/2-wall, -bar_w -wall, 0])
-			cube([wall, bar_w + 2*wall, body_h]);
+			cube([wall, bar_w + wall + clip_front, body_h]);
 	translate([knifebar_x_off, knifebar_y_off-knifebar_rear_wall, 0])
 		cube([wall, -knifebar_y_off+wall+knifebar_rear_wall, body_h]);
 	// translate([knifebar_x_off, knifebar_y_off-knifebar_rear_wall, 0])
diff --git a/towelbar-antislide.scad b/towelbar-antislide.scad
index 538e86a..4a35d8a 100644
--- a/towelbar-antislide.scad
+++ b/towelbar-antislide.scad
@@ -2,20 +2,24 @@ infty=200;
 eps=0.01;
 
 bar_diam = 20;
-body_h = 15;
-body_l = 100;
+body_h = 7;
+body_l = 150;
 
 wall = 1.5;
 
-spike_w = 1;
-spike_l = 2;
+spike_w_bot = 1;
+spike_w_top = 6;
+spike_l = 5;
+
+spike_count = 8;
+spike_dist = body_l/(spike_count + 1);
 
 module spike() {
 	hull() {
-		translate([-body_h/4, 0, -eps])
-			cube([body_h/2, bar_diam/2+wall/2, eps]);
-		translate([-spike_w/2, 0, -body_h/2])
-			cube([spike_w, bar_diam/2 + wall + spike_l, eps]);
+		translate([-spike_w_top/2, 0, body_h/2-eps])
+			cube([spike_w_top, bar_diam/2+wall/2, eps]);
+		translate([-spike_w_bot/2, 0, -body_h/2])
+			cube([spike_w_bot, bar_diam/2 + wall + spike_l, eps]);
 	}
 }
 
@@ -24,10 +28,8 @@ difference() {
 		translate([-body_l/2, 0, 0])
 			rotate([0, 90, 0])
 				cylinder(r = bar_diam/2 + wall, h = body_l);
-		for (x = [-37.5:15:37.5])
-			translate([x, 0, 0]) spike();
-		for (x = [-45:15:45])
-			translate([x, 0, 0]) scale([1, 1, -1]) spike();
+		for (i = [-spike_count/2:1:spike_count/2])
+			translate([i*spike_dist, 0, 0]) spike();
 	}
 			
 	// tube hole
@@ -36,8 +38,8 @@ difference() {
 			cylinder(r = bar_diam/2, h = body_l + 2*eps);
 	// cut the bottom
 	translate([-infty/2, -infty/2, -infty-body_h/2]) cube(infty);
-	// cut the bottom
+	// cut the top
 	translate([-infty/2, -infty/2, body_h/2]) cube(infty);
-	// cut the bottom rear half
+	// cut the rear half
 	translate([-infty/2, -infty, -infty/2]) cube(infty);
 }
-- 
2.43.0